Can Software Systems help Cut Commercial Fuel Costs by 15% ?

" That's without any modification to the ships themselves, too. The ambitious 'Blue Visby Solution' proposes enormous fuel and emissions savings for cargo ships worldwide, simply by being smarter about speed and timing and eliminating inefficiencies.
....
The study found that 87% of voyages could reduce their speed, by an average of just 1 knot, and meet all their deadlines while reducing emissions by 16%"

Ridiculously simple idea cuts cargo ship emissions by 17.3% in first trials https://newatlas.com/marine/blue-visby-cargo-emissions/#:~:text=The%20ambitious%20'Blue%20Visby%20Solution,and%20timing%20and%20eliminating%20inefficiencies.